Android Open Source - DIYgenomics_Android Main

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Back to project page DIYgenomics_Android.

License

The source code is released under:

/** * Copyright (C) 2010 DIYgenomics diygenomics.org * Copyright (C) 2010 Melanie Swan mxswan@gmail * Copyright (C) 2010 Michael Kolb * Copyright (C) 2010 Lawrence S. Wong * All rights reserved. * * M...

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Java Source Code

package org.diygenomics.pg;
// w ww.j  a  va  2s .com
import org.diygenomics.pg.Data.LoaderCallback;
import org.diygenomics.pg.utils.Flurry;

import android.app.Activity;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;

import com.flurry.android.FlurryAgent;

/**
 * the main activity show an initial graphic and a progress spinner while
 * loading the data load data in background
 */
public class Main extends Activity implements LoaderCallback {

  static Data sData;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (sData == null) {
      loadData(this, this);
    } else {
      done(sData);
    }
    View view = getLayoutInflater().inflate(R.layout.main, null);
    setContentView(view);
  }

  @Override
  public void onStart() {
    super.onStart();
    FlurryAgent.onStartSession(this, Flurry.KEY);
  }

  @Override
  public void onStop() {
    FlurryAgent.onEndSession(this);
    super.onStop();
  }

  private static void initializeData(final Activity context, final LoaderCallback callback) {
    AsyncTask<Void, Void, Void> loader = new AsyncTask<Void, Void, Void>() {

      @Override
      protected Void doInBackground(Void... arg0) {
        sData.loadCategory(context.getAssets(), 
            "Health Conditions", "conditions.csv", 4);
        sData.loadCategory(context.getAssets(), 
            "Drug Response - Top 30", "drugs_top30.csv", 7);
        sData.loadCategory(context.getAssets(), 
            "Drug Response - More", "drugs.csv", 5);
        sData.loadCategory(context.getAssets(), 
            "Athletic Performance",  "athperf_cats.csv", 6);
        // add new categories here
        // loadCategory( asset manager, name of category, csv filename, mapping table index (0 start)
        sData.load(context.getAssets());
        sData.loadGenome(context);
        return null;
      }

      protected void onPostExecute(Void result) {
        callback.done(sData);
      }
    };
    loader.execute((Void) null);

  }

  public static Data loadData(Activity activity, LoaderCallback callback) {
    if (sData == null) {
      sData = Data.getInstance();
      initializeData(activity, callback);
      return null;
    } else {
      return sData;
    }
  }

  public static Data getData() {
    return sData;
  }
  
  public void done(Data data) {
    startActivity(new Intent(Main.this, CategoriesActivity.class));
  }

}

Java Source Code List